[mirror_frr.git] / babeld / babeld.h

/*
Copyright (c) 2007, 2008 by Juliusz Chroboczek
Copyright 2011 by Matthieu Boutier and Juliusz Chroboczek

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/

#ifndef BABEL_BABELD_H
#define BABEL_BABELD_H

#include <zebra.h>
#include "vty.h"

#define INFINITY ((unsigned short)(~0))

#ifndef RTPROT_BABEL
#define RTPROT_BABEL 42
#endif

#define RTPROT_BABEL_LOCAL -2

#undef MAX
#undef MIN

#define MAX(x,y) ((x)<=(y)?(y):(x))
#define MIN(x,y) ((x)<=(y)?(x):(y))

#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
/* nothing */
#elif defined(__GNUC__)
#define inline __inline
#if  (__GNUC__ >= 3)
#define restrict __restrict
#else
#define restrict /**/
#endif
#else
#define inline /**/
#define restrict /**/
#endif

#if defined(__GNUC__) && (__GNUC__ >= 3)
#define ATTRIBUTE(x) __attribute__ (x)
#define LIKELY(_x) __builtin_expect(!!(_x), 1)
#define UNLIKELY(_x) __builtin_expect(!!(_x), 0)
#else
#define ATTRIBUTE(x) /**/
#define LIKELY(_x) !!(_x)
#define UNLIKELY(_x) !!(_x)
#endif

#if defined(__GNUC__) && (__GNUC__ >= 4) && (__GNUC_MINOR__ >= 3)
#define COLD __attribute__ ((cold))
#else
#define COLD /**/
#endif

#ifndef IF_NAMESIZE
#include <sys/socket.h>
#include <net/if.h>
#endif

#ifdef HAVE_VALGRIND
#include <valgrind/memcheck.h>
#else
#ifndef VALGRIND_MAKE_MEM_UNDEFINED
#define VALGRIND_MAKE_MEM_UNDEFINED(a, b) do {} while(0)
#endif
#ifndef VALGRIND_CHECK_MEM_IS_DEFINED
#define VALGRIND_CHECK_MEM_IS_DEFINED(a, b) do {} while(0)
#endif
#endif


#define BABEL_VTY_PORT 2609
#define BABEL_DEFAULT_CONFIG "babeld.conf"

/* Values in milliseconds */
#define BABEL_DEFAULT_HELLO_INTERVAL 4000
#define BABEL_DEFAULT_UPDATE_INTERVAL 16000
#define BABEL_DEFAULT_RESEND_DELAY 2000

/* In units of seconds */
#define BABEL_DEFAULT_SMOOTHING_HALF_LIFE 4

/* In units of 1/256. */
#define BABEL_DEFAULT_DIVERSITY_FACTOR 256

#define BABEL_DEFAULT_RXCOST_WIRED 96
#define BABEL_DEFAULT_RXCOST_WIRELESS 256

/* Babel structure. */
struct babel
{
    /* Babel threads. */
    struct thread *t_read;    /* on Babel protocol's socket */
    struct thread *t_update;  /* timers */
};

extern struct zebra_privs_t babeld_privs;

extern void babeld_quagga_init(void);
extern int input_filter(const unsigned char *id,
                        const unsigned char *prefix, unsigned short plen,
                        const unsigned char *neigh, unsigned int ifindex);
extern int output_filter(const unsigned char *id, const unsigned char *prefix,
                         unsigned short plen, unsigned int ifindex);
extern int redistribute_filter(const unsigned char *prefix, unsigned short plen,
                               unsigned int ifindex, int proto);
extern int resize_receive_buffer(int size);
extern void schedule_neighbours_check(int msecs, int override);


#endif /* BABEL_BABELD_H */
Commit	Line	Data
ca10883e DS	1	/*
	2	Copyright (c) 2007, 2008 by Juliusz Chroboczek
	3	Copyright 2011 by Matthieu Boutier and Juliusz Chroboczek
	4
	5	Permission is hereby granted, free of charge, to any person obtaining a copy
	6	of this software and associated documentation files (the "Software"), to deal
	7	in the Software without restriction, including without limitation the rights
	8	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	9	copies of the Software, and to permit persons to whom the Software is
	10	furnished to do so, subject to the following conditions:
	11
	12	The above copyright notice and this permission notice shall be included in
	13	all copies or substantial portions of the Software.
	14
	15	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	16	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	17	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	18	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	19	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	20	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
	21	THE SOFTWARE.
	22	*/
	23
	24	#ifndef BABEL_BABELD_H
	25	#define BABEL_BABELD_H
	26
	27	#include <zebra.h>
	28	#include "vty.h"
	29
	30	#define INFINITY ((unsigned short)(~0))
	31
	32	#ifndef RTPROT_BABEL
	33	#define RTPROT_BABEL 42
	34	#endif
	35
	36	#define RTPROT_BABEL_LOCAL -2
	37
	38	#undef MAX
	39	#undef MIN
	40
	41	#define MAX(x,y) ((x)<=(y)?(y):(x))
	42	#define MIN(x,y) ((x)<=(y)?(x):(y))
	43
	44	#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
	45	/* nothing */
	46	#elif defined(__GNUC__)
	47	#define inline __inline
	48	#if (__GNUC__ >= 3)
	49	#define restrict __restrict
	50	#else
	51	#define restrict /**/
	52	#endif
	53	#else
	54	#define inline /**/
	55	#define restrict /**/
	56	#endif
	57
	58	#if defined(__GNUC__) && (__GNUC__ >= 3)
	59	#define ATTRIBUTE(x) __attribute__ (x)
	60	#define LIKELY(_x) __builtin_expect(!!(_x), 1)
	61	#define UNLIKELY(_x) __builtin_expect(!!(_x), 0)
	62	#else
	63	#define ATTRIBUTE(x) /**/
	64	#define LIKELY(_x) !!(_x)
65	#define UNLIKELY(_x) !!(_x)
66	#endif
67
68	#if defined(__GNUC__) && (__GNUC__ >= 4) && (__GNUC_MINOR__ >= 3)
69	#define COLD __attribute__ ((cold))
70	#else
71	#define COLD /**/
72	#endif
73
74	#ifndef IF_NAMESIZE
75	#include <sys/socket.h>
76	#include <net/if.h>
77	#endif
78
79	#ifdef HAVE_VALGRIND
80	#include <valgrind/memcheck.h>
81	#else
82	#ifndef VALGRIND_MAKE_MEM_UNDEFINED
83	#define VALGRIND_MAKE_MEM_UNDEFINED(a, b) do {} while(0)
84	#endif
85	#ifndef VALGRIND_CHECK_MEM_IS_DEFINED
86	#define VALGRIND_CHECK_MEM_IS_DEFINED(a, b) do {} while(0)
87	#endif
88	#endif
89
90
e763afa5	91	#define BABEL_VTY_PORT 2609
ca10883e	92	#define BABEL_DEFAULT_CONFIG "babeld.conf"
ca10883e DS	93
	94	/* Values in milliseconds */
	95	#define BABEL_DEFAULT_HELLO_INTERVAL 4000
	96	#define BABEL_DEFAULT_UPDATE_INTERVAL 16000
	97	#define BABEL_DEFAULT_RESEND_DELAY 2000
	98
	99	/* In units of seconds */
	100	#define BABEL_DEFAULT_SMOOTHING_HALF_LIFE 4
	101
	102	/* In units of 1/256. */
	103	#define BABEL_DEFAULT_DIVERSITY_FACTOR 256
	104
	105	#define BABEL_DEFAULT_RXCOST_WIRED 96
	106	#define BABEL_DEFAULT_RXCOST_WIRELESS 256
	107
	108	/* Babel structure. */
	109	struct babel
	110	{
	111	/* Babel threads. */
	112	struct thread t_read; / on Babel protocol's socket */
	113	struct thread t_update; / timers */
	114	};
	115
346526cc DS	116	extern struct zebra_privs_t babeld_privs;
346526cc DS	117
ca10883e DS	118	extern void babeld_quagga_init(void);
	119	extern int input_filter(const unsigned char *id,
	120	const unsigned char *prefix, unsigned short plen,
	121	const unsigned char *neigh, unsigned int ifindex);
	122	extern int output_filter(const unsigned char id, const unsigned char prefix,
	123	unsigned short plen, unsigned int ifindex);
	124	extern int redistribute_filter(const unsigned char *prefix, unsigned short plen,
	125	unsigned int ifindex, int proto);
	126	extern int resize_receive_buffer(int size);
	127	extern void schedule_neighbours_check(int msecs, int override);
	128
	129
	130	#endif /* BABEL_BABELD_H */